Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12269518 | Knuckle pin | Zachary Ryan Brook, Aaron Stern, Wayne H. Murphy | 2025-04-08 |
| 11952019 | Railway car truck system | John W. Rudibaugh, Wayne H. Murphy, Perry Levitt | 2024-04-09 |
| 11608095 | Knuckle pin | Zachary Ryan Brook, Aaron Stern, Wayne H. Murphy | 2023-03-21 |
| 11433927 | Lightweight fatigue resistant railcar truck, sideframe and bolster | Aaron Stern, Michael J. Schmidt | 2022-09-06 |
| 11345372 | Lightweight yoke for railway coupling | Aaron Stern, Zachary Ryan Brook, Wayne H. Murphy, Perry Levitt, Michael J. Schmidt | 2022-05-31 |
| 11345374 | Lightweight coupler | Aaron Stern, Zachary Ryan Brook, Michael J. Schmidt | 2022-05-31 |
| 10994754 | Coupler for a railway vehicle, cores and method for production | Aaron Stern, Perry Levitt, Zachary Ryan Brook, Wayne H. Murphy | 2021-05-04 |
| 10906568 | Coupler knuckle, cores and method of production | Aaron Stern, Zachary Ryan Brook, Perry Levitt, Wayne H. Murphy | 2021-02-02 |
| 10906567 | Process for producing a coupler knuckle and improved coupler knuckle | Zachary Ryan Brook | 2021-02-02 |
| 10570244 | Cross-linked thermoplastic co-polyester elastomer, method of making same, and articles composed thereof | Michael J. Schmidt | 2020-02-25 |
| 10399580 | Process for producing a coupler knuckle and improved coupler knuckle | Zachary Ryan Brook | 2019-09-03 |
| 10322732 | Coupler knuckle, cores and method of production | Aaron Stern, Zachary Ryan Brook, Perry Levitt, Wayne H. Murphy | 2019-06-18 |
| 10252733 | Lightweight fatigue resistant railcar truck, sideframe and bolster | Aaron Stern, Michael J. Schmidt | 2019-04-09 |
| 10196076 | Coupler knuckle | Zachary Ryan Brook, Michael J. Schmidt | 2019-02-05 |
| 10150490 | Coupler for a railway vehicle, cores and method for production | Aaron Stern, Perry Levitt, Zachary Ryan Brook, Wayne H. Murphy | 2018-12-11 |
| 9834233 | Lightweight rerailer | Zachary Ryan Brook, Michael J. Schmidt | 2017-12-05 |
| 9714039 | Knuckle thrower | Perry Levitt, Aaron Stern, Zachary Ryan Brook, Wayne H. Murphy | 2017-07-25 |
| 9604276 | Coupler and method for production of a coupler with selectable configuration options | Aaron Stern, Perry Levitt, Zachary Ryan Brook, Wayne H. Murphy | 2017-03-28 |
| 9580089 | Lightweight yoke for railway coupling | Perry Levitt, Zachary Ryan Brook, Wayne H. Murphy, Aaron Stern, Michael J. Schmidt | 2017-02-28 |
| 9580088 | Malleable resilient pedestal wear plate | Wayne H. Murphy, Michael J. Schmidt | 2017-02-28 |
| 9481380 | Coupler knuckle | Zachary Ryan Brook, Michael J. Schmidt | 2016-11-01 |
| 9481381 | Lightweight yoke for railway coupling | Perry Levitt, Zachary Ryan Brook, Wayne H. Murphy, Aaron Stern | 2016-11-01 |
| 9476475 | Polymer spring | Michael J. Schmidt | 2016-10-25 |
| 9452764 | Railway vehicle coupler | Aaron Stern, Perry Levitt, Zachary Ryan Brook, Wayne H. Murphy | 2016-09-27 |
| 9199652 | Lightweight, fatigue resistant knuckle | Zachary Ryan Brook, Michael J. Schmidt | 2015-12-01 |